Rigging work
12.8 Rigging the auxiliary hoist
Operating manual GMK 6400 3 112 993 en 12 - 105
12.07.2013
12.8.10 Checking the auxiliary hoist for correct functioning
After mounting the auxiliary hoist you must check that it functions properly
when the control lever is extended and check the functioning of the slewing
indicator.
You can carry out a test to check whether the auxiliary hoist is correctly con-
nected using the hand-held control as well as in the crane cab. You can only
carry out the test on the control levers in the crane cab.
With the hand-
held control
• Press the button (1). The lamp lights up.
• Press the key combination (2).
The hoist must now drum the cable.
• Press the button (1). The lamp lights up.
• Press the key combination (2).
The hoist must now reel up the cable.
In the crane cab
• Switch on the auxiliary hoist; à p. 11 - 59.
• Move the left-hand control lever forward and then back, letting the auxil-
iary hoist run for about one half revolution in each direction.
• Check whether the direction of rotation for the particular control lever
position corresponds with the following specifications.
• While checking, ensure that the rope does not slacken.
• Check the function of the slewing indicator. You have to feel a pulse on
the slewing indicator (1) when the auxiliary hoist is rotating.
Shift the control lever to the rear The auxiliary hoist rope is reeled onto
the cable drum
Shift the control lever forwards The auxiliary hoist rope is reeled off the
cable drum
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